
public class Calmain {

	public static void main(String[] args) {
		CalculatorInterface calc= new Calculator();
		
		System.out.println(calc.add(10, 5));
		System.out.println(calc.subtract(10, 5));
		System.out.println(calc.divide(10, 5));
		System.out.println(calc.multiply(10, 5));
		System.out.println(calc.divide(10, 0));
	}

}
